package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.to.SocialUser;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.vo.MemberResponseVO;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

/**
 * 处理社交登入请求
 */
@Slf4j
@RestController
public class OAuth2Controller {

    @Autowired
    private MemberFeignService memberFeignService;

    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code) throws Exception {
        Map<String, String> map = new HashMap<String, String>();
        map.put("client_id", "2636917288");
        map.put("client_secret", "6a263e9284c6c1a74a62eadacc11b6e2");
        map.put("grant_type", "authorization_code");
        map.put("redirect_url", "http://gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);
        // 1、根据code换取accessToken；
        HttpResponse response = HttpUtils.doPost("api.weibo.com", "/oauth2/access_token", null, null, map);

        // 2、处理
        if (response.getStatusLine().getStatusCode() == 200) {
            // 获取到了accessToken
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);

            // 知道当前是哪个社交用户
            // 1）、当前用户如果是第一次进网站，自动注册（为当前社交用户生成一个会员信息账号，以后这个社交账号就对应指定的会员）
            // 登入或者注册这个社交用户
            R oauthLogin = memberFeignService.oauthLogin(socialUser);
            if (oauthLogin.getCode() == 0) {
//                oauthLogin.getData("data", new TypeReference<MemberResponseVO>() {});
                MemberResponseVO data = new MemberResponseVO();
                log.debug("登入成功，用户: {}", data.toString());
                // 3、登入成功就跳回首页
                return "rediect:http://gulimall.com";
            } else {
                return "redirect:http://auth.gulimall.com/login.html";
            }
        } else {
            return "redirect:http://auth.gulimall.com/login.html";
        }
        

    }
}
